FR843339A - Shortwave direction finding system - Google Patents

Shortwave direction finding system

Info

Publication number
FR843339A
FR843339A FR843339DA FR843339A FR 843339 A FR843339 A FR 843339A FR 843339D A FR843339D A FR 843339DA FR 843339 A FR843339 A FR 843339A
Authority
FR
France
Prior art keywords
direction finding
finding system
shortwave direction
shortwave
finding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR843339A publication Critical patent/FR843339A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)
  • Radio Relay Systems (AREA)
FR843339D 1938-03-04 1938-03-04 Shortwave direction finding system Expired FR843339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR843339T 1938-03-04

Publications (1)

Publication Number Publication Date
FR843339A true FR843339A (en) 1939-06-30

Family

ID=9311845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843339D Expired FR843339A (en) 1938-03-04 1938-03-04 Shortwave direction finding system

Country Status (2)

Country Link
FR (1) FR843339A (en)
GB (1) GB526036A (en)

Also Published As

Publication number Publication date
GB526036A (en) 1940-09-10

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